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JPS55142303A - Photo switch - Google Patents

Photo switch

Info

Publication number
JPS55142303A
JPS55142303A JP5060379A JP5060379A JPS55142303A JP S55142303 A JPS55142303 A JP S55142303A JP 5060379 A JP5060379 A JP 5060379A JP 5060379 A JP5060379 A JP 5060379A JP S55142303 A JPS55142303 A JP S55142303A
Authority
JP
Japan
Prior art keywords
prism
light
fiber
reflecting
lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5060379A
Other languages
Japanese (ja)
Other versions
JPS5654602B2 (en
Inventor
Kenichi Sato
Koichi Asatani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP5060379A priority Critical patent/JPS55142303A/en
Publication of JPS55142303A publication Critical patent/JPS55142303A/en
Publication of JPS5654602B2 publication Critical patent/JPS5654602B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
    • G02B6/352—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element having a shaped reflective surface, e.g. a reflective element comprising several reflective surfaces or facets that function together
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

PURPOSE:To prevent the decrease in coupling efficiency at the changing over of light by using the specified reflecting body having three reflecting surfaces as an optical path changing element. CONSTITUTION:The light collimated by passing through a lens 4 from an input fiber 1 enters a prism 8 which has total three reflecting surfaces of one reflecting surface and two reflecting surfaces which are equal in the angle that it assumes to the surface of one reflecting surface and is opposite in the inclination. In said prism, the light receives three reflections by total reflection and is thence condensed by a condensing lens 6 and is coupled to an output fiber 3. Next, when the prism 8 is moved parallel to the fiber end face, the light collimated by passing through the lens 4 from the fiber 1 enters the prism 8, where it receives three reflections by total reflection, is condensed by a condensing lens 5 and is coupled to an output fiber 2. Hence, by moving the prism 8, the light may be changed over from the fibers 1 to 3 and from the fibers 1 to 2.
JP5060379A 1979-04-24 1979-04-24 Photo switch Granted JPS55142303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5060379A JPS55142303A (en) 1979-04-24 1979-04-24 Photo switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5060379A JPS55142303A (en) 1979-04-24 1979-04-24 Photo switch

Publications (2)

Publication Number Publication Date
JPS55142303A true JPS55142303A (en) 1980-11-06
JPS5654602B2 JPS5654602B2 (en) 1981-12-26

Family

ID=12863533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5060379A Granted JPS55142303A (en) 1979-04-24 1979-04-24 Photo switch

Country Status (1)

Country Link
JP (1) JPS55142303A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159406A1 (en) * 1981-02-20 1985-10-30 Kaptron Inc. Fibre optics switch
JP2013137575A (en) * 1999-11-16 2013-07-11 Altera Corp Wavelength router

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159406A1 (en) * 1981-02-20 1985-10-30 Kaptron Inc. Fibre optics switch
JP2013137575A (en) * 1999-11-16 2013-07-11 Altera Corp Wavelength router

Also Published As

Publication number Publication date
JPS5654602B2 (en) 1981-12-26

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